CN105206924A - Super broadband dual polarized antenna unit and multifrequency array antenna thereof - Google Patents
Super broadband dual polarized antenna unit and multifrequency array antenna thereof Download PDFInfo
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- CN105206924A CN105206924A CN201510616538.XA CN201510616538A CN105206924A CN 105206924 A CN105206924 A CN 105206924A CN 201510616538 A CN201510616538 A CN 201510616538A CN 105206924 A CN105206924 A CN 105206924A
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Abstract
The invention relates to a super broadband dual polarized antenna unit and a multifrequency array antenna. The super broadband dual polarized antenna unit comprises four radiation pieces and a balance feed device; the outer end of each radiation piece is connected with a choke tube in the linear direction, so that a radiation arm is formed, and the inner end of each radiation piece is connected with the balance feed device; the four radiation arms are located on the same plane, any two nonadjacent radiation arms in the four radiation arms surround the center of the balance feed device and are distributed in a centrosymmetric mode, and the four radiation arms achieve balanced feed through coaxial-cable welding feed pieces. By means of the super broadband dual polarized antenna unit and the multifrequency array antenna thereof, the bandwidth of the antenna is effectively increased, a corresponding high and low frequency decoupling device is added, so that the unit can be better applicable to a multifrequency antenna system, and independence of various electric properties of all frequency bands can be guaranteed more reasonably in design of the multifrequency base station antenna.
Description
Technical field
The present invention relates to the communications field, in particular, relate to a kind of ultra-wideband dual polarized antenna unit and multi-frequency array antenna thereof.
Background technology
Due to the extensive use of intelligent mobile terminal, the data service in mobile communication is occurred growth at full speed.In order to meet the requirement to high speed data transfer in mobile communication, domestic and international Ge great operator is greatly developing based on the forth generation of TD-LTE and FDD-LTE two kinds of standards (4G) mobile communication technology.Nowadays, 2G, 3G and be about to universal 4GLTE network and deposit, the system of multiple use different frequency range exists simultaneously, needs to use the antenna for base station that can be operated in different frequency range.Use common narrow band antenna, a base station just needs to arrange many slave antennas, adds system complexity and property cost.In order to reduce networking cost, broadband, the miniaturized and multifrequency of antenna shares one of focus becoming current.
In order to the multiple communication standard of compatibility, ultra-wideband dual polarized antenna and ultra-wideband multifrequency antenna are used on a large scale, but existing dual polarized antenna unit is generally all difficult to the requirement meeting ultra-wideband, and the frequency antenna system of composition, owing to not arranging low-and high-frequency isolator, the radiance of multifrequency antenna is also restricted.
In view of this, be necessary for problems of the prior art, there is provided a kind of and cover 698-960MHz UWB (Ultra Wideband) Antenna unit, effective increase beamwidth of antenna, increase corresponding low-and high-frequency isolator, can preferably be applicable in frequency antenna system, can more reasonably ensure in the design of multifrequency antenna for base station, the independence of every electrical property of each frequency range.
Summary of the invention
In view of this, be necessary for the problems referred to above, a kind of ultra-wideband dual polarized antenna unit and multi-frequency array antenna thereof are provided, effective increase beamwidth of antenna, increase corresponding low-and high-frequency isolator, can preferably be applicable in frequency antenna system, can more reasonably ensure in the design of multifrequency antenna for base station, the independence of every electrical property of each frequency range.
A kind of ultra-wideband dual polarized antenna unit, comprises four radiation fins and a balanced feeding device; The linear direction of the outer end of each radiation fin is connected with a chokes pipe and forms a radiation arm, the inner of each radiation fin is connected with balanced feeding device; Four groups of radiation arms at grade, and in four groups of radiation arms arbitrarily non-conterminous two groups of radiation arms to be centrosymmetric around the center of balanced feeding device distribution, four groups of radiation arms adopt coaxial cables welding feed tab forms to realize balanced feeding.
As preferably, described symmetrically arranged radiation arm between two forms the radiating element of a polarization; Two radiating elements are in a center of symmetry centered by balanced feeding device, and form the radiant body in ± 45 degree of two polarised directions.
As preferably, the working frequency range of described ultra-wideband dual polarized antenna unit is 698-960MHz.
As preferably, described chokes pipe comprises one end and closes and the tubular metal body of inner hollow out, and is arranged at the metal cartridge of tubular metal body inside, and the one side that one end of described metal cartridge and tubular body are closed is connected, and the other end is connected with radiation fin.
As preferably, described balanced feeding device is column structure, end is connected with firm banking, a fixing circular hole is had in the middle of firm banking, balanced feeding device outer wall and firm banking form a U-shaped Ba Lun feed converter, its outer surface is provided with cable welding groove, and the outer conductor of coaxial cable is welded in cable welding groove, and inner wire welds with feed tab.
As preferably, described feed tab is Z-shaped shape, and two ends symmetric position has circular hole, and its one end is welded with radiating element, and the other end welds with the inner wire of coaxial cable.
As preferably, described radiation fin connects balanced feeding device and forms antenna element main body, the integrated die cast of described antenna element main body; The integrated die cast of described chokes pipe.
A kind of multi-band array antenna, at least two the above-mentioned ultra-wideband dual polarized antenna units comprising metallic reflection plate and arrange at metallic reflection plate Linear, the one-sided or bilateral of described ultra-wideband dual polarized antenna unit is also linearly provided with at least two high band antenna elements.
As preferably, the working frequency range of described ultra-wideband dual polarized antenna unit is 698-960MHz, and described high band Antenna Operation frequency range is 1710-2690MHz.
As preferably, be all equidistant linear array between described high band antenna element, between ultra-wideband dual polarized antenna unit, the spacing between described high band antenna element is 0.5 times of the spacing between ultra-wideband dual polarized antenna unit.
Compared with prior art, beneficial effect of the present invention is: ultra-wideband dual polarized antenna unit of the present invention, 698-960MHz frequency range can be covered, effective increase beamwidth of antenna, increase corresponding low-and high-frequency isolator, can preferably be applicable in frequency antenna system, more reasonably can ensure the independence of every electrical property of each frequency range in the design of multifrequency antenna for base station, the radiation characteristic of multi-band array antenna in ultra wide band range can be kept to stablize, and the 2G in compatible mobile communication, the all standards of 3G and 4GLTE, not only can reduce base station number of antennas used, reduce cloth station cost, also operation maintenance expense can be reduced.
Accompanying drawing explanation
Fig. 1 is antenna element general structure schematic diagram in the present invention;
Fig. 2 is antenna element exploded sketch in the present invention;
Fig. 3 is the general structure schematic diagram of multi-frequency array antenna in the present invention;
Fig. 4 is another embodiment general structure schematic diagram of multi-frequency array antenna in the present invention.
Embodiment
Below in conjunction with drawings and Examples, a kind of ultra-wideband dual polarized antenna unit of the present invention and multi-frequency array antenna thereof are described further.
Be below the preferred example of a kind of ultra-wideband dual polarized antenna unit of the present invention and multi-frequency array antenna thereof, therefore do not limit protection scope of the present invention.
Embodiment 1
Fig. 1 and Fig. 2 shows a kind of ultra-wideband dual polarized antenna unit, comprises radiation fin 3, chokes pipe 4, balanced feeding device 2 and feed tab 5; Described radiation fin 3 is square metal blocks structure, comprises four, the linear direction of the outer end of each radiation fin 3 is connected with a chokes pipe 4 and forms a radiation arm, and the inner is connected with balanced feeding device; Described four groups of radiation arms at grade, certain gap is had between each radiation arm, and in four groups of radiation arms arbitrarily non-conterminous two groups of radiation arms to be centrosymmetric around the center of balanced feeding device 2 distribution, symmetrically arranged radiation arm forms the radiating element of a polarization between two; In a center of symmetry centered by two radiating elements and balanced feeding device, and form the radiant body in ± 45 degree of two polarised directions; Described radiating element adopts coaxial cable welding feed tab 5 form balanced feeding; Described chokes pipe 4 plays the effect suppressing high-frequency parasitic electric current, to reduce the coupling in frequency antenna system between low-and high-frequency system.
The working frequency range of described ultra-wideband dual polarized antenna unit is 698-960MHz.
Chokes pipe 4 comprises one end and closes and the tubular metal body 6 of inner hollow out and the metal cartridge 7 being arranged at tubular metal body 6 inside, this metal cartridge 7 one end is connected with tubular body sealing surface, the other end is connected with radiation fin 3, and radiation fin 3 and chokes pipe 4 integrally form the radiation arm of this antenna element.
In the present embodiment, balanced feeding device 2 is column structure, end is connected with firm banking, a fixing circular hole is had in the middle of firm banking, balanced feeding device 2 outer wall and firm banking form a U-shaped Ba Lun feed converter, balanced feeding device 2 outer surface is provided with cable welding groove, welds for feed coaxial cable.
Described radiation fin 3 is provided with feed tab 5 pad to the extension junction of balanced feeding device 2, welds for feed tab 5; Feed tab 5 is the metallic sheet-like formation of Z-shaped structure, and two ends symmetric position has circular hole; Feed coaxial cable outer conductor is welded in the welding groove of the outer surface of balanced feeding device 2, weld with it after the circular hole of inner wire through one end in feed tab 5, feed tab 5 other end to be fixed in feed tab 5 pad by circular hole and to weld, to be connected with radiation arm, form the balanced feeding to antenna element with this.
Embodiment 2
Fig. 3 shows a kind of multi-band array antenna, comprise metallic reflection plate 1 and the ultra-wideband dual polarized antenna unit 8 described at least two embodiments 1 of metallic reflection plate 1 Linear setting, the one-sided or bilateral of described ultra-wideband dual polarized antenna unit is also linearly provided with at least two high band antenna elements 9.Described ultra-wideband dual polarized antenna unit 8 works in 698 ~ 960MHz band limits, and described high frequency antenna unit 9 works in 1710 ~ 2690MHz band limits.At least two above-mentioned ultra-wideband dual polarized antenna units 8 are in the first-class spaced linear arrangement of reflecting plate, form a row low frequency array, the single-sided linear of this ultra-wideband dual polarized antenna unit 8 is provided with at least two high band antenna elements 9, preferably, the spacing of high band antenna element 9 is 0.5 times of low frequency, to form multi-frequency array antenna.
Embodiment 3
In this enforcement, on the basis of embodiment 2, be linearly provided with at least two high band antenna elements 9 at two of ultra-wideband dual polarized antenna unit 8, other features are identical with embodiment 2, therefore do not repeat.
In sum, ultra-wideband dual polarized antenna unit of the present invention, 698-960MHz frequency range can be covered, effective increase beamwidth of antenna, increase corresponding low-and high-frequency isolator, can preferably be applicable in frequency antenna system, more reasonably can ensure the independence of every electrical property of each frequency range in the design of multifrequency antenna for base station, the radiation characteristic of multi-band array antenna in ultra wide band range can be kept to stablize, and the 2G in compatible mobile communication, the all standards of 3G and 4GLTE, not only can reduce base station number of antennas used, reduce cloth station cost, also operation maintenance expense can be reduced.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a ultra-wideband dual polarized antenna unit, is characterized in that, comprises four radiation fins and a balanced feeding device; The linear direction of the outer end of each radiation fin is connected with a chokes pipe and forms a radiation arm, the inner of each radiation fin is connected with balanced feeding device; Four groups of radiation arms at grade, and in four groups of radiation arms arbitrarily non-conterminous two groups of radiation arms to be centrosymmetric around the center of balanced feeding device distribution, four groups of radiation arms adopt coaxial cables welding feed tab forms to realize balanced feeding.
2. ultra-wideband dual polarized antenna unit according to claim 1, is characterized in that, described symmetrically arranged radiation arm between two forms the radiating element of a polarization; Two radiating elements are in a center of symmetry centered by balanced feeding device, and form the radiant body in ± 45 degree of two polarised directions.
3. ultra-wideband dual polarized antenna unit according to claim 1, is characterized in that, the working frequency range of described ultra-wideband dual polarized antenna unit is 698-960MHz.
4. ultra-wideband dual polarized antenna unit according to claim 1, it is characterized in that, described chokes pipe comprises one end and closes and the tubular metal body of inner hollow out, and be arranged at the metal cartridge of tubular metal body inside, the one side that one end and the tubular body of described metal cartridge are closed is connected, and the other end is connected with radiation fin.
5. ultra-wideband dual polarized antenna unit according to claim 1, it is characterized in that, described balanced feeding device is column structure, end is connected with firm banking, have a fixing circular hole in the middle of firm banking, balanced feeding device outer wall and firm banking form a U-shaped Ba Lun feed converter, and its outer surface is provided with cable welding groove, the outer conductor of coaxial cable is welded in cable welding groove, and inner wire welds with feed tab.
6. ultra-wideband dual polarized antenna unit according to claim 5, is characterized in that, described feed tab is Z-shaped shape, and two ends symmetric position has circular hole, and its one end is welded with radiating element, and the other end welds with the inner wire of coaxial cable.
7. ultra-wideband dual polarized antenna unit according to claim 1, is characterized in that, described radiation fin connects balanced feeding device and forms antenna element main body, the integrated die cast of described antenna element main body; The integrated die cast of described chokes pipe.
8. a multi-band array antenna, it is characterized in that, at least two the ultra-wideband dual polarized antenna units as described in any one of claim 1 to 7 comprising metallic reflection plate and arrange at metallic reflection plate Linear, the one-sided or bilateral of described ultra-wideband dual polarized antenna unit is also linearly provided with at least two high band antenna elements.
9. multi-band array antenna according to claim 8, is characterized in that, the working frequency range of described ultra-wideband dual polarized antenna unit is 698-960MHz, and the working frequency range of described high band antenna element is 1710-2690MHz.
10. multi-band array antenna according to claim 8, it is characterized in that, be all equidistant linear array between described high band antenna element, between ultra-wideband dual polarized antenna unit, the spacing between described high band antenna element is 0.5 times of the spacing between ultra-wideband dual polarized antenna unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510616538.XA CN105206924A (en) | 2015-09-24 | 2015-09-24 | Super broadband dual polarized antenna unit and multifrequency array antenna thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510616538.XA CN105206924A (en) | 2015-09-24 | 2015-09-24 | Super broadband dual polarized antenna unit and multifrequency array antenna thereof |
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| CN105206924A true CN105206924A (en) | 2015-12-30 |
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| CN201510616538.XA Pending CN105206924A (en) | 2015-09-24 | 2015-09-24 | Super broadband dual polarized antenna unit and multifrequency array antenna thereof |
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Cited By (4)
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| CN107749518A (en) * | 2017-08-25 | 2018-03-02 | 深圳日海通讯技术股份有限公司 | A kind of antenna for base station and base station radio-frequency equipment |
| CN110752450A (en) * | 2018-07-23 | 2020-02-04 | 京信通信技术(广州)有限公司 | Low mutual coupling multi-system common antenna |
| CN113285219A (en) * | 2021-07-23 | 2021-08-20 | 华南理工大学 | Three-frequency common-aperture fusion antenna, fusion method and communication equipment |
| CN115313065A (en) * | 2022-09-29 | 2022-11-08 | 微网优联科技(成都)有限公司 | Common-caliber base station antenna array |
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| CN204947074U (en) * | 2015-09-24 | 2016-01-06 | 广东博纬通信科技有限公司 | A kind of ultra-wideband dual polarized antenna unit and multi-frequency array antenna thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749518A (en) * | 2017-08-25 | 2018-03-02 | 深圳日海通讯技术股份有限公司 | A kind of antenna for base station and base station radio-frequency equipment |
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| CN110752450A (en) * | 2018-07-23 | 2020-02-04 | 京信通信技术(广州)有限公司 | Low mutual coupling multi-system common antenna |
| CN110752450B (en) * | 2018-07-23 | 2021-08-24 | 京信通信技术(广州)有限公司 | Low mutual coupling multi-system common antenna |
| CN113285219A (en) * | 2021-07-23 | 2021-08-20 | 华南理工大学 | Three-frequency common-aperture fusion antenna, fusion method and communication equipment |
| CN113285219B (en) * | 2021-07-23 | 2021-10-26 | 华南理工大学 | Three-frequency common-aperture fusion antenna, fusion method and communication equipment |
| CN115313065A (en) * | 2022-09-29 | 2022-11-08 | 微网优联科技(成都)有限公司 | Common-caliber base station antenna array |
| CN115313065B (en) * | 2022-09-29 | 2023-01-03 | 微网优联科技(成都)有限公司 | Common-caliber base station antenna array |
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Application publication date: 20151230 |